That was over 27 years ago in 1994.
Today he is 84, and has starred in 75 movies in total, 23 since Wolf was released.
In Wolf, I think Jack Nicholson looks:
Wolf scores 6 out of 10 on The Movie Database.
Jack Nicholson's first acting role was as 'Jimmy Wallace' in The Cry Baby Killer, released in 1958 when he was 21.